Journal of Physical Chemistry C
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2025
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IF 3.2
Yi Chen,Junzi Li,Can Ren,Tingchao He
Hybrid metal halide (HMH) heterojunctions have been widely studied due to their unique quantum well structures and excellent optical properties. In this work, two kinds of 2D/3D HMH heterojunctions have been constructed, i.e., (S-2-NEA)2PbBr4/MAPbBr3 (S-MA) and (S-2-NEA)2PbBr4/FAPbBr3 (S-FA). By using femtosecond-transient absorption spectroscopy, it is revealed that S-MA has a more efficient energy transfer efficiency compared to S-FA. Based on the measurement of temperature-dependent photoluminescence spectra, it is confirmed that the S-MA exhibits stronger electron–phonon (EP) coupling strength than that of the S-FA film. As a result of more efficient energy transfer and stronger EP coupling strength, S-MA exhibits two- and three-photon absorption coefficients larger than those of S-FA. This work highlights the synergistic role of energy transfer and EP coupling in enhancing multiphoton absorption, providing crucial insights for designing HMHs with superior nonlinear optical properties.
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JOURNAL OF ALLOYS AND COMPOUNDS
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2025
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IF 6.3
Wen Guo,Lixin Song,Jinhuan Jiang,Tianguang Guo,Chenyang Shi,Xin Yin,Jie Xiong
The enhancement in efficiency and stability of air-processed perovskite solar cells (PSCs) have garnered increasing attention. Carbon-based composite materials additives, due to their excellent electrical conductivity, outstanding stability and high flexibility, provide a novel idea for improving the performance of perovskite films as well as PSCs. In this study, the superfine SnO x /carbon composite nanofibers (SnO x /C NFs) with the average diameter of 26 nm was doped into perovskite films and modulating perovskite crystallization. The SnO x /C NFs provided a uniform heterogeneous nucleation site, regulate the crystal morphology of perovskite films via Sn-I coordination and O/(MA + , FA + ) electrostatic coupling, passivated the organic cations and Pb 2+ vacancy defects within the perovskite structure, and enhanced the overall quality of the films. The distinctive one-dimensional structure of SnO x /C NFs provides additional channels for charge transport, thereby facilitating more efficient charge extraction and effectively alleviating device defects. In addition, the flexible nanofibers released the residual stress and enhanced the stability of the devices. The power conversion efficiency (PCE) of the champion device with low hysteresis prepared under open-air conditions was 22.32 %. The champion device maintained initial PCE of 80.3 %, 90.6 % and 86.6 % under 55 ± 5 % RH for 1200 h, 85 °C for 500 h and AM 1.5 light illumination for 500 h, respectively. In addition, the SnO x /C NFs-based flexible-PSCs (f-PSCs) achieved a champion efficiency of 19.84 % and retained 92.13 % of their initial PCE after 300 cycles (radius = 7 mm).
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ELECTROCHIMICA ACTA
·
2025
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IF 5.6
Zhenwu Zhong,Min Liu,Zhaoxiang Qi,Ying Wang,Wenjun Zhang,Yan Zhang,Ying Qi,Hongyu Mi,Jian Cheng,Shu Yin,Yahong Xie
This study presents a facile synthesis of cerium-based metal–organic frameworks (Ce-BTC) and their subsequent pyrolysis into nanorod-shaped CeO 2 -BTC for interfacial engineering in carbon-based perovskite solar cells (C-PSCs). The optimized FTO/SnO 2 /CH 3 NH 3 PbI 3 /CeO 2 -BTC/Carbon architecture achieves a maximum power conversion efficiency (PCE) of 14.63%, representing a 31.09% enhancement over the baseline device. This improvement stems from multiple synergistic effects: CeO 2 -BTC demonstrates exceptional charge extraction capability, establishes superior interfacial contact, and directly coordinates with perovskite through Pb-O bond formation. Furthermore, the C=O groups effectively anchor uncoordinated Pb 2 + ions, modulating perovskite crystallization kinetics and improving film quality. Subsequent hot-pressing treatment elevates the champion device PCE to 15.12% through enhanced interfacial compactness. Remarkably, the optimized devices retain 93.26% of initial efficiency after 700 h of ambient air exposure without encapsulation, demonstrating exceptional environmental stability. This work provides a comprehensive strategy for developing high-performance, durable carbon-based perovskite photovoltaics through rational interface engineering.
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ELECTROCHIMICA ACTA
·
2025
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IF 5.6
Zhikun Zhang,Ying Shi,Zhengjie Li,Jilong Han,Zhiyan Chen,Fangfang Ma,Yanchao Qi,Yumin Liu
MicroRNA-21 (miR-21) has shown great promise as a biomarker for early cancer diagnosis. However, its trace-level abundance in clinical samples complicates point-of-care detection. Herein, we developed a new DNA-modified bimetallic dual-ligand MOF-based electrochemical sensor for highly sensitive and rapid detection of miR-21. The MOF was synthesized using 2,2′-bipyridine-5,5′-dicarboxylic acid (DPDC) and meso‑2,3-dimercaptosuccinic acid (DMSA) as organic linkers, with Ni²⁺/Co²⁺ serving as metal centers. Subsequently, the capture DNA (cDNA) was designed and modified MOF with high porosity and large surface area, significantly enhancing molecular interactions between the cDNA and target miR-21 to boost sensitivity. The developed biosensor exhibits a linear detection range of 10 fM to 100 nM, with a low detection limit of 10 fM and excellent specificity. This method effectively detects miR-21 in blood samples, showcasing strong clinical potential and providing a reliable platform for precision biosensing.
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ACS Applied Energy Materials
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2025
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IF 5.5
Xiaojuan Xu,Xinyu Zhang,Zixiang Zhang,Zerui Wang,Chunyan Yang
Antimony sulfide (Sb2S3) is widely considered as an emerging photovoltaic absorber material due to its low cost, environmental friendliness, intrinsic stability, and abundance. In Sb2S3 photovoltaic devices, the electron transport layer (ETL) is indispensable for facilitating the efficient collection and transporting photogenerated electrons from the absorber layer to the electrode. Among various ETL materials, n-type CdS has been widely applied due to its excellent electron mobility. However, its inherent toxicity, high resistivity, and parasitic light absorption severely limit the performance of Sb2S3 photovoltaic devices. In recent years, indium sulfide (In2S3) has gained significant interest as an alternative ETL due to its robust chemical durability, low toxicity, excellent electron transport capability, and wide bandgap, which effectively blocks hole injection. Nonetheless, the In2S3 ETL alone suffers from severe interfacial recombination due to its interfacial defects and bad energy level matching with a transparent conductive glass electrode. In this work, first, we successfully synthesized In2S3 thin films via a facile, cost-effective, and environmentally friendly approach involving thermal decomposition of indium ethylxanthate (In(S2COEt)3) at 300 °C. Subsequently, the bilayer ETL (SnO2/In2S3) comprising SnO2 and In2S3 was incorporated into Sb2S3 solar cells to optimize interfacial properties and enhanced charge transport. The resulting device achieved the power conversion efficiency (PCE) of 3.91%, conspicuously higher than the 1.22% obtained with the single In2S3 ETL. The dual ETL creates a favorable energy level gradient, while the SnO2 interlayer facilitates the emergence of compact Sb2S3 films with improved crystallinity. This configuration mitigates charge recombination and facilitates electron extraction at the FTO/ETL interface, thereby boosting device performance. This work presents a strategy for constructing the dual ETL by thermally decomposing In(S2COEt)3 on SnO2, offering a cadmium-free, efficient, and environmentally friendly pathway to support the development of Sb2S3 photovoltaic devices.
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ORGANIC ELECTRONICS
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2025
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IF 2.6
Zhoujian Fan,Kuibao Yu,Hailong Hu
Quantum dot light-emitting devices (QLEDs) exhibit unique advantages for high-resolution display applications. However, as pixel size decreases, challenges including insufficient hole injection and leakage current become increasingly pronounced, resulting in significant degradation in device performance. Herein, dual hole injection layers are constructed by self-assembly of an organic small molecular layer on conventional PEDOT:PSS to smooth the potential barrier, thus achieving more balanced carrier injection. An ultrafine inter-pixel isolation structure is designed as a charge blocking layer surrounding the photolithograpic pixels, with the purpose of effectively mitigating leakage current in the non-emitting region. The high-resolution devices show a high external quantum efficiency (EQE) of 19.6 % and a peak power efficiency (PE) of 20.63 lm/W, both of which significantly exceed the performance of the control device (EQE = 14.6 %, PE = 10.54 lm/W).
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MATERIALS LETTERS
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2025
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IF 2.7
Ze Yin,Wenxu Tang,Ke Zhao,Binghao Chen,Jinggang Yang,Lei Sun,Shan Gao,Potao Sun
Microcracks and electrical treeing within polymer insulating materials are the primary causes of insulation failure. Early detection and repair of such damages are crucial. In this study, we leveraged the aggregation-induced emission (AIE) effect and a microcapsule self-healing system to design a UV-triggered smart insulating material capable of autonomous damage repair and self-reporting. The composite material demonstrated effective healing of both mechanical damage and electrical treeing channels, achieving damage-recovery rates of 91.67 % and 93.26 % for tensile strength and electrical strength, respectively. As the released healing agent was solidified within the damage path, it triggered intense AIE fluorescence, precisely indicating the location of damage.
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CHEMICAL ENGINEERING JOURNAL
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2025
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IF 13.2
Haikun Zhu,Jinquan Huang,Zhenxin Yang,Junzhan Wang,Xuanhe Li,Dengke Wang,Zhenghong Lu,Qiang Zhu
Electrical degradation caused by grain boundaries in organic semiconductor (OSC) films is a prevalent issue that limits the large-area applications of organic electronics. Here, we report a polymer gel composed of polyethyleneimine and polydimethylsiloxane, which enables a of grain-boundary self-healing (GBSH) treatment within as-deposited OSC films by providing ionic conductivity across grain boundaries. The gel-based GBSH treatment demonstrates universal efficacy across a variety of OSC-based films for enhancing the operational performance of OTFTs. Typically, it enhances the field-effect mobilities of p -type rubrene-based and n -type PTCDI-C8-based OTFTs by 43 times and 25 times, respectively, while increasing their on/off ratio by 14.2-fold and 7.9-fold, respectively. Moreover, the GBSH treatment enables the enhanced stability of OTFTs under ambient conditions. The field-effect mobility of rubrene-based OTFTs, which decreased by 64 % within 11 days, was reduced to only a 29 % decrease over 90 days following the GBSH treatment. Additionally, the GBSH treatment mitigates the adverse impact of grain boundary anisotropy on device uniformity. The coefficient of variation for the field-effect mobility of rubrene-based OTFT arrays was reduced from 95 % to 13 % following the GBSH treatment, satisfying the industry standard for silicon-based devices. Moreover, the GBSH treatment is a post-fabrication process that is easy to implement. By conveniently depositing the gel onto OSC films via either spin-coating or drop-casting, it enables the in-situ repair of damaged grain boundaries within operational devices, thereby restoring device performance beyond that of freshly fabricated devices. The GBSH strategy represents a significant advancement toward high-performance organic electronics tailored for large-area applications.
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ENVIRONMENTAL SCIENCE & TECHNOLOGY
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2025
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IF 11.3
Jiafu Li,Tian Qiu,Wenshan Shi,Caroline O. Granger,Md. Tareq Aziz,Patrick T. Justen,Susan D. Richardson
Aromatic disinfection byproducts (DBPs) can account for up to 36% of total organic halogen (TOX) in chlorinated drinking water and may be key drivers of developmental toxicity. However, aromatic DBPs reported to date cannot fully explain the observed TOX or developmental toxicity of drinking water. In this study, 17 chlorobenzenediols were identified in chlor(am)inated drinking water using gas chromatography–high resolution mass spectrometry (GC-HRMS). Total concentrations of chlorobenzenediols in tap water from seven cities ranged from 15 to 116 ng/L, with a mean of 54 ng/L. These levels are higher than previously reported for eight classes of aromatic DBPs and halobenzoquinones. Eleven chlorobenzenediols also formed during chlor(am)ination of Suwannee River natural organic matter (NOM), indicating that NOM is an important precursor. Five chlorobenzenediols have a reported LC50 and/or EC50 of less than 1 mg/L for various organisms, indicating that they are classified as very toxic chemicals and are likely to be among the most developmentally toxic aromatic DBPs discovered. Considering that the chlorobenzenediol concentrations in drinking water were higher than eight classes of reported aromatic DBPs and halobenzoquinones, they are likely to have a much more significant impact on drinking water developmental toxicity than other known aromatic DBPs.
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POLYMER
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2025
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IF 4.5
Jinqi Ye,Nasha Zeng,Lili Wang,Keying Zheng,Junyi Lu,Minghua Wu
Disperse dyes wash-free inkjet-dyeing is one of the important research and development directions to achieve clean dyeing of polyester fabrics. Wash-free binders are needed to be designed with a special molecular structure to achieve good colour yield and fixation during dyeing. Specifically, isophorone diisocyanate and polypropylene glycol were used as the monomers of the hard and soft chain segments of the polymer, respectively, and KH-560 as the capping agent, to prepare a series of end-group cross-linked organosilicon modified waterborne polyurethane (SWPU). It was applied as wash-free binder for the digital inkjet-dyed polyester fabrics. The results showed that, for 2 wt% KH-560 and 40 wt% hard chain segments, the SWPU film had good water resistance, mechanical properties, and adhesion properties, and the best dispersed dye directional effect. With the addition of SWPU in the dye ink of 8 wt%, the front K/S value of the SWPU wash-free digital inkjet-dyes fabric reached 16.86, and the dry/wet rubbing fastness achieved grades 4–5 and 3–4, respectively. Compared with the pure dye inkjet-dyed fabric, its front K/S value increased by 23.9 %, and its dry/wet rubbing fastness improved by grades 1 and 0.5, respectively.
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CHEMICAL ENGINEERING JOURNAL
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2025
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IF 13.2
Longxian Zhang,Zhineng Zhou,Lang Wu,Qiaogang Song,Yu Zhuang,Chi Yang,Xintong Zhao,Juchuan Chai,Shurong Wang
The two-step method facilitates perovskite crystallization by pre-generating PbI 2 crystal nuclei and exhibits superior repeatability. Nevertheless, the two-step fabrication process results in a perovskite layer with many grain boundaries and interfacial defects, which act as non-radiative recombination sites, significantly limiting the V OC . At the same time, the quality of the resulting film strongly relies on how effectively organic salts diffuse within the PbI₂ layer. Herein, through a pre-deposition strategy, A pre-deposited NH 4 Br layer at the SnO 2 /perovskite interface effectively modulated the growth behavior of perovskite crystals. This led to the formation of a vertically grown perovskite film, featuring an average grain size of 1.37 μm. The pre-deposited NH 4 Br not only effectively suppressed interface recombination by reducing defect densities and enhanced carrier extraction, but also effectively improved perovskite film crystallinity and reduced PbI 2 content. Furthermore, the pre-deposition strategy extended the average carrier lifetime to 2.3 μs. Finally, perovskite devices based on pre-deposited NH 4 Br layer achieved a power conversion efficiency of 25.46 % and exhibited negligible hysteresis and good stability. In a word, the early incorporation of NH 4 Br at the SnO 2 /perovskite interface provides an effective approach to improving interfacial contact and reducing recombination, thereby enhancing device efficiency and long-term operational stability.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2025
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IF 9.7
Qiaoli Feng,Danmiao Zheng,Zhonghui Ma,Jiarong Liang,Shikang Liu,Guangyu Yao,Jinhang Li,Zhiyi Wang
Harnessing the significant buildup of lactic acid (LA) within the tumor microenvironment (TME) for metabolic manipulation presents a promising avenue for cancer treatment. Nevertheless, single-agent therapies often fail to address the complex and varying needs of TME heterogeneity, posing a substantial scientific hurdle in oncology. In this context, we employ asymmetric mesoporous silica nanoparticles (AMS NPs) as delivery vehicles, simultaneously loading them with zinc‑cobalt‑manganese ferrite nanoparticles (ZCMF NPs), lactate oxidase (LOX), and doxorubicin (DOX). We enhance tumor-targeting through the incorporation of the internalizing RGD peptide (iRGD), resulting in the formation of a nanoreactor (AMS@ZCMF-LOX-DOX-iRGD NPs). This innovative nanoreactor combines the advantageous hydrodynamic properties of its asymmetric design with the distinctive physicochemical traits of magnetic nanoparticles, facilitating an enzyme-enhanced combination of chemotherapy and chemodynamic therapy (CDT). In particular, the release of multivalent metal ions from the dissociation of ZCMF NPs triggers Fenton-like reactions, reduces glutathione levels, and catalyzes the conversion of endogenous hydrogen peroxide (H 2 O 2 ) into highly cytotoxic hydroxyl radicals ( OH). The metabolic reprogramming of LA by LOX ensures a continuous supply of H 2 O 2 for catalytic reactions, thereby enhancing CDT. The chemotherapeutic drug DOX works in concert with the surge of reactive oxygen species to deliver a powerful tumor-eradicating effect. Importantly, this system simultaneously regulates tumor LA levels and redox metabolism, achieving a synergistic antitumor effect through combined chemo-chemodynamic strategies. This research offers valuable insights for the formulation of targeted and adjustable combination therapies in cancer treatment.
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